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Subject: Re: Hard test position

Author: Martin Giepmans

Date: 10:45:46 12/08/03

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On December 08, 2003 at 10:37:12, Mihaly Szalai wrote:

>White wins.
>
>[D]8/p4p1P/P4P2/8/1p4p1/pP4Pp/2K4P/k7 w - - 0 1
>
>
>1. h8=N! a2 2. Ng6 fxg6 3. f7 g5 4. Kd3 Kb2 5. f8=B!
>
>Is your engine smart enough to see this?
>
>Mihaly


My Spider finds this very fast (about 1 sec, AMD 2000 XP).
Probably an evaluation issue.

(note: read Q for D, R for T, B for L and N for P)

SpiderChess 3.18
05  0:00:00    0.00  H7-H8P A3-A2 H8xF7
    0:00:00  + 8.85  H7-H8D A3-A2 C2-D3 A1-B2 H8-A8
05  0:00:00  + 8.85  H7-H8D A3-A2 C2-D3 A1-B2 H8-A8
06  0:00:00  + 1.74  H7-H8D A3-A2 C2-D3 A1-B2 H8-A8 A2-A1D A8xA7
06  0:00:00  + 1.74  H7-H8D A3-A2 C2-D3 A1-B2 H8-A8 A2-A1D A8xA7
07  0:00:00  + 1.74  H7-H8D A3-A2 C2-D3 A1-B2 H8-A8 A2-A1D A8xA7
08  0:00:00  + 1.20  H7-H8D A3-A2 C2-D3 A1-B2 H8-D8 A2-A1D D8-D4 B2-A2 D4xA7
08  0:00:00  + 1.20  H7-H8D A3-A2 C2-D3 A1-B2 H8-D8 A2-A1D D8-D4 B2-A2 D4xA7
09  0:00:00  + 1.20  H7-H8D A3-A2 C2-D3 A1-B2 H8-D8 A2-A1D D8-D4 B2-A2 D4xA7
10  0:00:00  + 5.13  H7-H8D A3-A2 C2-D2 A1-B2 H8-B8 A2-A1D B8-E5 B2-A2 E5xA1
                     A2xA1 D2-D3
10  0:00:00  + 5.13  H7-H8D A3-A2 C2-D2 A1-B2 H8-B8 A2-A1D B8-E5 B2-A2 E5xA1
                     A2xA1 D2-D3
11  0:00:00  + 5.13  H7-H8D A3-A2 C2-D2 A1-B2 H8-B8 A2-A1D B8-E5 B2-A2 E5xA1
                     A2xA1 D2-D3
12  0:00:00  + 0.43  H7-H8D A3-A2 C2-D3 A1-B2 H8-D8 A2-A1D D8-D4 B2xB3 D4-C4
                     B3-A3 C4xF7 A1-F1 D3-D4 F1xA6
    0:00:01  + 5.46  H7-H8P A3-A2 H8-G6 F7xG6 F6-F7 G6-G5 C2-D3 A1-B2 F7-F8L
                     B2xB3 F8-G7 B3-A3 D3-D2 A3-B3 D2-C1 B3-A3 G7-H8 A3-B3
                     H8-A1 B3-C4 C1-B2 B4-B3 B2-A3 C4-D3 A3xB3
12  0:00:02  + 5.64  H7-H8P A3-A2 H8-G6 F7xG6 F6-F7 G6-G5 C2-D3 A1-B2 F7-F8L
                     B2xB3 F8-G7 B3-A3 D3-C2 B4-B3 C2-C1 A3-A4 C1-B2 A4-B4
                     G7-H8 B4-A4 H8-F6 A4-B4 F6-D4 A2-A1D B2xA1 B4-B5 D4xA7
                     B5xA6
13  0:00:02  + 6.12  H7-H8P A3-A2 H8-G6 F7xG6 F6-F7 G6-G5 C2-D3 A1-B2 F7-F8L
                     B2-A3 F8-G7 A3xB3 G7-D4 B3-A3 D4-A1 A3-A4 D3-C2 A4-B5
                     C2-B2 B5xA6 B2xA2 A6-B6 A1-D4 B6-B7
13  0:00:03  + 7.17  H7-H8P A3-A2 H8-G6 F7xG6 F6-F7 G6-G5 C2-D3 A1-B2 F7-F8L
                     B2-A3 F8-G7 A3xB3 D3-D2 B3-A3 D2-C2 A3-A4 C2-B2 B4-B3
                     G7-D4 A4-B4 D4-H8 B4-A4 H8-C3 A2-A1T B2xA1 A4-B5
13  0:00:03  + 7.20  H7-H8P A3-A2 H8-G6 F7xG6 F6-F7 G6-G5 C2-D3 A1-B2 F7-F8L
                     B2-A3 F8-G7 A3xB3 D3-D2 B3-A3 D2-C2 A3-A4 C2-B2 A4-B5
                     B2-B3 B5-A5 B3xA2 A5xA6 G7-F6 A6-B5 F6xG5
14  0:00:05  + 7.20  H7-H8P A3-A2 H8-G6 F7xG6 F6-F7 G6-G5 C2-D3 A1-B2 F7-F8L
                     B2-A3 F8-G7 A3xB3 D3-D2 B3-C4 D2-C2 C4-C5 C2-B2 C5-B6
                     B2xA2 B6xA6 G7-F6 A6-B5 F6xG5
15  0:00:07  + 7.53  H7-H8P A3-A2 H8-G6 F7xG6 F6-F7 G6-G5 C2-D3 A1-B2 F7-F8L
                     B2-A3 F8-G7 A3xB3 D3-D2 B3-C4 D2-C2 C4-C5 C2-B3 C5-B5
                     G7-D4 B5xA6 B3xB4 A6-B7 B4-A3 A2-A1D D4xA1 B7-C6
15  0:00:11  + 7.44  H7-H8P A3-A2 H8-G6 F7xG6 F6-F7 G6-G5 C2-D3 A1-B2 F7-F8L
                     B2-A3 F8-G7 A3xB3 D3-D2 B3-A3 D2-C2 A3-A4 C2-B2 A4-B5
                     B2-B3 B5xA6 B3xB4 A6-B6 B4-A3 B6-C6 A3xA2 C6-D5
16  0:00:24  + 7.66  H7-H8P A3-A2 H8-G6 F7xG6 F6-F7 G6-G5 C2-D3 A1-B2 F7-F8L
                     B2-A3 F8-G7 A3xB3 D3-D2 B3-A3 D2-C2 A3-A4 C2-B2 A4-B5
                     B2-B3 B5xA6 B3xB4 A6-B6 B4-A3 B6-C5 A3xA2 C5-D5 G7-F6
                     D5-E4 F6xG5





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